{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:5YNANNH5LG24NESLZJXMKCKD6N","short_pith_number":"pith:5YNANNH5","canonical_record":{"source":{"id":"1707.08237","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-07-25T22:02:55Z","cross_cats_sorted":[],"title_canon_sha256":"b304cd9efae032f1eef90e5b62a5ee6c0f56b67bd939a4b0eee9e2eb438747e6","abstract_canon_sha256":"a1c84abf3aba1865130d5b0515bc748985f1394d47840170f589372a77e099be"},"schema_version":"1.0"},"canonical_sha256":"ee1a06b4fd59b5c6924bca6ec50943f367011e6bd167ba3cd50e731f9e6bbe68","source":{"kind":"arxiv","id":"1707.08237","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.08237","created_at":"2026-05-18T00:28:40Z"},{"alias_kind":"arxiv_version","alias_value":"1707.08237v2","created_at":"2026-05-18T00:28:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.08237","created_at":"2026-05-18T00:28:40Z"},{"alias_kind":"pith_short_12","alias_value":"5YNANNH5LG24","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"5YNANNH5LG24NESL","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"5YNANNH5","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:5YNANNH5LG24NESLZJXMKCKD6N","target":"record","payload":{"canonical_record":{"source":{"id":"1707.08237","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-07-25T22:02:55Z","cross_cats_sorted":[],"title_canon_sha256":"b304cd9efae032f1eef90e5b62a5ee6c0f56b67bd939a4b0eee9e2eb438747e6","abstract_canon_sha256":"a1c84abf3aba1865130d5b0515bc748985f1394d47840170f589372a77e099be"},"schema_version":"1.0"},"canonical_sha256":"ee1a06b4fd59b5c6924bca6ec50943f367011e6bd167ba3cd50e731f9e6bbe68","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:40.572990Z","signature_b64":"KKmfNhdAdgfp+6DsSNwJCBSKu4L16VJ9W8Dgz2g083KcDBxulu9ZMqJdWcQRtG2bdWnwaCGksK9tIbpP++ixBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee1a06b4fd59b5c6924bca6ec50943f367011e6bd167ba3cd50e731f9e6bbe68","last_reissued_at":"2026-05-18T00:28:40.572165Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:40.572165Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.08237","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:28:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bIuKrxV9AhUjt2Mm6S69n9zYKw0C0p/psUycHJWFuXWISCa+nA4OgbdojG3eKKHUJP064LmRAGFs1a40GdULBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:22:18.226778Z"},"content_sha256":"f91d0a71a186747cdfb9d625ecda0d4484c969a8a49e4958b115cd22634afa3f","schema_version":"1.0","event_id":"sha256:f91d0a71a186747cdfb9d625ecda0d4484c969a8a49e4958b115cd22634afa3f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:5YNANNH5LG24NESLZJXMKCKD6N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High Quality Queueing Information from Accelerated Active Network Tomography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Gabor Vattay, Istvan Csabai, Jozsef Steger, P\\'eter Pollner, Tommaso Rizzo","submitted_at":"2017-07-25T22:02:55Z","abstract_excerpt":"Monitoring network state can be crucial in Future Internet infrastructures. Passive monitoring of all the routers is expensive and prohibitive. Storing, accessing and sharing the data is a technological challenge among networks with conflicting economic interests. Active monitoring methods can be attractive alternatives as they are free from most of these issues. Here we demonstrate that it is possible to improve the active network tomography methodology to such extent that the quality of the extracted link or router level delay is comparable to the passively measurable information. We show th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.08237","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:28:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LuHCgSw37MGV8XYPAoDrTKH+amrbs1F6/Fn+IdL58mlGIjcoLbkOqmnFgOGiNEo2/RYg4NI211IqVji4KjC9Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:22:18.227393Z"},"content_sha256":"2fa2a6b91c143b8b55838f3627c38ae62132a18d3469e913ec93bd9ac5969c92","schema_version":"1.0","event_id":"sha256:2fa2a6b91c143b8b55838f3627c38ae62132a18d3469e913ec93bd9ac5969c92"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5YNANNH5LG24NESLZJXMKCKD6N/bundle.json","state_url":"https://pith.science/pith/5YNANNH5LG24NESLZJXMKCKD6N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5YNANNH5LG24NESLZJXMKCKD6N/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T21:22:18Z","links":{"resolver":"https://pith.science/pith/5YNANNH5LG24NESLZJXMKCKD6N","bundle":"https://pith.science/pith/5YNANNH5LG24NESLZJXMKCKD6N/bundle.json","state":"https://pith.science/pith/5YNANNH5LG24NESLZJXMKCKD6N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5YNANNH5LG24NESLZJXMKCKD6N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:5YNANNH5LG24NESLZJXMKCKD6N","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a1c84abf3aba1865130d5b0515bc748985f1394d47840170f589372a77e099be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-07-25T22:02:55Z","title_canon_sha256":"b304cd9efae032f1eef90e5b62a5ee6c0f56b67bd939a4b0eee9e2eb438747e6"},"schema_version":"1.0","source":{"id":"1707.08237","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.08237","created_at":"2026-05-18T00:28:40Z"},{"alias_kind":"arxiv_version","alias_value":"1707.08237v2","created_at":"2026-05-18T00:28:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.08237","created_at":"2026-05-18T00:28:40Z"},{"alias_kind":"pith_short_12","alias_value":"5YNANNH5LG24","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"5YNANNH5LG24NESL","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"5YNANNH5","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:2fa2a6b91c143b8b55838f3627c38ae62132a18d3469e913ec93bd9ac5969c92","target":"graph","created_at":"2026-05-18T00:28:40Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Monitoring network state can be crucial in Future Internet infrastructures. Passive monitoring of all the routers is expensive and prohibitive. Storing, accessing and sharing the data is a technological challenge among networks with conflicting economic interests. Active monitoring methods can be attractive alternatives as they are free from most of these issues. Here we demonstrate that it is possible to improve the active network tomography methodology to such extent that the quality of the extracted link or router level delay is comparable to the passively measurable information. We show th","authors_text":"Gabor Vattay, Istvan Csabai, Jozsef Steger, P\\'eter Pollner, Tommaso Rizzo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-07-25T22:02:55Z","title":"High Quality Queueing Information from Accelerated Active Network Tomography"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.08237","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:f91d0a71a186747cdfb9d625ecda0d4484c969a8a49e4958b115cd22634afa3f","target":"record","created_at":"2026-05-18T00:28:40Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a1c84abf3aba1865130d5b0515bc748985f1394d47840170f589372a77e099be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-07-25T22:02:55Z","title_canon_sha256":"b304cd9efae032f1eef90e5b62a5ee6c0f56b67bd939a4b0eee9e2eb438747e6"},"schema_version":"1.0","source":{"id":"1707.08237","kind":"arxiv","version":2}},"canonical_sha256":"ee1a06b4fd59b5c6924bca6ec50943f367011e6bd167ba3cd50e731f9e6bbe68","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee1a06b4fd59b5c6924bca6ec50943f367011e6bd167ba3cd50e731f9e6bbe68","first_computed_at":"2026-05-18T00:28:40.572165Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:40.572165Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KKmfNhdAdgfp+6DsSNwJCBSKu4L16VJ9W8Dgz2g083KcDBxulu9ZMqJdWcQRtG2bdWnwaCGksK9tIbpP++ixBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:40.572990Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.08237","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f91d0a71a186747cdfb9d625ecda0d4484c969a8a49e4958b115cd22634afa3f","sha256:2fa2a6b91c143b8b55838f3627c38ae62132a18d3469e913ec93bd9ac5969c92"],"state_sha256":"0e89db8609bd5539de2c0b0f7fc7e4286c51d0929de4e29655fe98a98a966cbe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Il6TwjxKiU8QDJue8ntlt96n+o1K4xg/LPia0Ph4RQerTbK0YpcmgvJbrXVrxN8u1UgBgRj0eSR273hyByrjBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T21:22:18.230623Z","bundle_sha256":"c325eda4c6159bd6d974ca8fbccf2f774f89d70356424ddc383f6eee4841286a"}}